Safety-razor



' tro-magnets 7 and 8. The ma UNITED STATES R'ITSSELL P. HARSHBERGER, OFCHICAGO, ILLINOIS.

, SAFETY-RAZOR.

Specification 'of Letters Patent.

Application filed January 22, 1917. Serial No. 143,810.

To all whom it mag concern: a

Be it known that I, RUssnLL'P. HARSH- BERGER, a citizen of the UnitedStates, residing at Chicago,-in the county of Cook and State ofIllinois, have invented certain new and useful Improvements inSafety-Razors, of which the following is a specification.

This invention relates to improvements in safety razors, and has for itsobject the production of a safety razor the blade of which is given avibratory movement when in operation. Herein I have illustrated anddescribed a razor with the blade set at an angle of about degrees withthe handle; but it is to be understood that the invention applies toblades set at any ordinary angle with the handle. A further object ofthe invention is to provide suitable mechanism for vibrating the bladeand for protecting such mechanism against injury from dirt and moisture,and also for starting the vibrations of the blade in case any of themoving parts should by chance become set. Other objects will be apparentfrom a consideration of the drawings and the following description:

Of the drawings Figure 1 is a central longitudinal section of a razorembodying the features of my invention, the section being along the line1-1 of Fig. 2. Fig. 2 is a section along the line 22 of Fig. 1. Fig. 3is a detached view of the razor blade and the member connecting it withthe operating mechanism. Fig. 4 is an enlarged perspective view of theconnecting member. And Fig. 5 is an enlarged section along the line 55of Fig. 3, showing also the face guard.

The blade of the razor is operated by electromagnets which in thisillustration are inclosed in a casing and arrangedso that the armatureof the magnets strikes against a pivoted member which is thus vibrated,and the member is operatively connected with the blade and hence,imparts vibrations thereto. It is to be understood however, that anysuitable vibrating means may be used in place of the electromagnetsshown.

Referring to the drawin a casing 5 is fixed to the handle 6, andinclosesthe elecets are alternately energized by any suitable source ofelectric current, which passes throu' h the following circuit toenergize magnet T: from any suitable source of supply, through wire 9,the casing 5 to which the wire 9 is connected at the point 10, thencethrough pivot 11, and the pivoted end of the armature 20. The armatureis freely revoluble about the pivot, and if held with its forks verticalas shown it will turn downwardly until the spring 12 comes in contactwith contact pin 13 set in an insulation member I,

14. The current, in such an event, will then pass into contact pin 13,wire 15, the coil of magnet 7, wire 16, screw 17, and wire 18, which isfixed to the screw 17, and thence back to the source. hen the magnet 7is energized the branch 21 of the armature is pulled toward the magnet,contacts 12 and 13 are separated, and contacts 19 and 22 are closed;hence the armature is released by magnet 7 ,and magnet 8 being energizedby a current flowing through the circuit corresponding to the circuit ofmagnet 7, the branch 23 is attracted thereto.

In this manner the armature is continuously' vibrated, and the blade 31is vibrated thereby in the following manner:

Journaled in the casing 5 is a rock pin 24 of the connecting member 35;fixed to the inner end of the pin is an arm 25; and mounted on the endof the arm 25 is a bumper 26 projecting between the branches ofthearmature. As the armature vibrates its branches alternately strikeagainst the bumper 26 and thus rock the pin 24. The pin 24 projects outof the casing and has fixed to its outer end an eccentric 27 whichprojects through an opening 28 in the blade 31. The blade 31 is slldablymounted in the casing wall in any suitable manner, for example by meansof the elongated openings 29 through which project the posts 30 whichare fixed to the casing. By this arrangement it will be seen that as thepin 24 is rocked the blade 31 will be vibrated in a path parallel withthe cutting edge of the blade.

The blade is held in position on the posts 30 by the guard 32 which isspaced from the frame by the posts and is held in place by the clips 33fixed to the guard and normally clasping the end walls of the casing. Inthis way the blade moves freely between the guard and the frame.

In operatlon the electric circuit is closed by any suitable externalmeans and by turning the razor so that the armature moves downwardly andcloses the circuit at the contact 13 or 22. The electro-magnets are then.alternately energized and deenergized;

Patented Oct. 25, 1921.

causing it to vibrate and rock the pin 24;

this, by oscillating the eccentric 27, causes the blade to be vibrated.The impacts of the armature branches acting alternately in oppositedirections-upon thebumper overcome any sticking tendency of the blade orof the connecting member 35 due to dirt or moisture, and insure relativemovement of the blade and the beard of the operator.

If desired the casing may be entirely closed, and all dirt and moisturewill thus be excluded from the operating mechanism. The rotary movementof the pin 24 journaled in the wall of the casing, and fitting snugly inits bearings, will not allow moisture or dirt to enter. opened by meansof a plate 34 detachably fixed in any suitable manner to the casing.Suitable adjusting means may be used to control the action of themechanism if desired; and the weight of the armature, the

strength of the magnets and the range of movement of thearmature or theblade may be made-to suit the needs.

Although I have described with much particularity the various details ofthe mechanism which I have provided in carrying out my invention, yet itis to be understood that various improvements therein may be made bythose skilled in the art without departing from the spirit of myinvention.

I claim as my invention:

1. In a safety razor a casing, a blade slidably mounted outside of saidcasing, a memher journaled in the wall of said casing and having aneccentric portion operatively connected with said blade, and means insaid casing for rocking said member.

2. casing, a member slidably mounted outside of said casing, a pinj'ournaled through the wall of said casing, an eccentric fixed to theouter end of said in and being 0 eratively connected with sald member, avibrator in said casing, and an arm on said The casing may be pinoperatively associated with said vibrator.

3. A casing, a first member movably mounted outside of said casing, asecond member passing through the wall of said casing, said secondmember having an eccentric on its outer end, said eccentric beingoperatively associated with said first member, and means in said casingfor producing impacts on the inner end of said second memher.

4. In a safety razor a frame, a handle fixed to said frame, a bladeslidably mounted in said frame, a member rotatably journaled in saidframe with its axis forming an oblique angle with said handle, aneccentric on said member operatively associated with said blade, asecond eccentric on said member, and rocking means operativelyassociated with said second eccentric.

5. In a razor a closed casing, a handle fixed to said casing, a bladeslidably mounted on said casing, a pin journaled in and extendingthrough the wall of said casing at an oblique angle to said handle, aneccentric on the outer end of said pin cooperating with said blade, anarm on the inner end of said pin, and means for vibrating said arm.

6. In a razor a casing, a handle fixed to said casing, a blade slidably.mounted on said casing, a pin journaled in the wall of said casing at.an oblique angle with said handle, an eccentric fixed to. saidpin andcooperating with said blade, and means fox-.rocking said pin.

7. In a safety razor a frame, a blade slidably mounted in said frame, amember mounted in said frame having an eccentric operatively connectedwith said blade, an arm fixed to said member and extending therefrom atan acute angle, and means for oscillating said arm.

In testimony whereof, I hereunto set my hand.

RUSSELL P: HARS'HBERGER.

